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Conferences > PCS > 2000 > MC > MC5

Light scattering and crossover critical phenomena in polymer solutions

J. Jacob, V. A. Agayan, M. A. Anisimov, R. W. Gammon, J. V. Sengers, and I. K. Yudin

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Abstract

High-resolution static and dynamic light-scattering measurements in polystyrene solutions have been performed. Crossover from Ising criticality to mean-field tricritical theta-point behavior with increasing molecular weight of the polymer has been observed. The reduced characteristic crossover temperature is proportional to the critical volume fraction of the polymer.

© 2000 Optical Society of America

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